Ruby script to clean up unused / old classes

StaleCodeCleaner

#!/usr/local/bin/ruby

#Get Contents
file = File.open(ARGV[0], "r")
data = file.read
file.close

search_results = []

data.each_line{ |line| 
   output = `pt -l #{line}`
   record  = {:count => 0, :files => [], :name => line}
   
   output.each_line{ |output_line|
       next if output_line.match /pbxproj|Bridging-Header.h|.txt/
       
       record[:files] << output_line
       record[:count] += 1   
       
   }
    search_results << record
}

search_results.sort_by!{ |hash| hash[:count]}

results = File.open(ARGV[1], "w")
output_str = ""

search_results.each{|data| 

  output_str += "\n\n## #{data[:name]}"
  output_str += "\n#### File Count: #{data[:count]}"
  output_str += "\n####  Appears in Files: \n"
  data[:files].each{ |file_name|
      output_str += "* " + file_name
  } 
  output_str += "\n\n\n"
}
results.write output_str